Mass spectra of some 3,5-diaryl-4-nitroisoxazoles. Evidence for a retro 1,3-dipolar cycloaddition
✍ Scribed by Jacques Tuaillon; Joël Vebrel; Bernard Laude; Pierre Guenot
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 204 KB
- Volume
- 22
- Category
- Article
- ISSN
- 1076-5174
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
A New Synthesis and
Table 1. The EI mass spectra, showing peaks ≥ 5% relative abundance, of compounds 1-7, using 70 eV electrons. Compound m/z (%RA) 1 317(M, 34) 224(10) 119 (100) 91 (22) 66 (12) 43 (8) 2 315(M, 55) 314(11) 249(6) 248(4) 198(3) 133(36) 132(8) 131(20) 119(87) 118(14) 104(6) 103( 11) 92( 35) 91( 64) 90(
## Abstract magnified image The title compound 2‐butyl‐5‐chloro‐3__H__‐imidazole‐4‐carbaldehyde was transformed into tricyclic heterocycles by substituting the chlorine atom by an unsaturated thiolate or alkoxide and then converting aldehyde function into 1,3‐dipole. Chloramine‐T was used as an ef